[ 47.506623][ T23] audit: type=1800 audit(1575419094.695:26): pid=8057 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.550576][ T23] audit: type=1800 audit(1575419094.695:27): pid=8057 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 47.587807][ T23] audit: type=1800 audit(1575419094.725:28): pid=8057 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.373889][ T23] audit: type=1800 audit(1575419095.585:29): pid=8057 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts. 2019/12/04 00:25:04 fuzzer started 2019/12/04 00:25:06 dialing manager at 10.128.0.26:42111 2019/12/04 00:25:06 syscalls: 2689 2019/12/04 00:25:06 code coverage: enabled 2019/12/04 00:25:06 comparison tracing: enabled 2019/12/04 00:25:06 extra coverage: extra coverage is not supported by the kernel 2019/12/04 00:25:06 setuid sandbox: enabled 2019/12/04 00:25:06 namespace sandbox: enabled 2019/12/04 00:25:06 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 00:25:06 fault injection: enabled 2019/12/04 00:25:06 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 00:25:06 net packet injection: enabled 2019/12/04 00:25:06 net device setup: enabled 2019/12/04 00:25:06 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 00:25:06 devlink PCI setup: PCI device 0000:00:10.0 is not available 00:25:07 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x8000000000006, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000600)) r1 = syz_open_pts(r0, 0x0) write$binfmt_aout(r0, &(0x7f0000000240)=ANY=[], 0x35b) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000040)={0x12}) 00:25:08 executing program 1: creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1d00000007ffff0f005fcc5e886ef5921f"], 0x11) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='9p\x00', 0x0, &(0x7f0000000140)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@version_u='version=9p2000.u'}]}}) syzkaller login: [ 60.856224][ T8221] IPVS: ftp: loaded support on port[0] = 21 [ 60.933115][ T8223] IPVS: ftp: loaded support on port[0] = 21 00:25:08 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) getsockopt$sock_int(r2, 0x1, 0x2, &(0x7f000059dffc), &(0x7f0000000000)=0x4) [ 61.111128][ T8221] chnl_net:caif_netlink_parms(): no params data found [ 61.175613][ T8223] chnl_net:caif_netlink_parms(): no params data found [ 61.186372][ T8227] IPVS: ftp: loaded support on port[0] = 21 [ 61.232363][ T8221] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.240462][ T8221] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.248917][ T8221] device bridge_slave_0 entered promiscuous mode 00:25:08 executing program 3: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000040)={0x0, 0xfffffffffffffd85, &(0x7f0000000140)=[{&(0x7f00000000c0)="2e0000003200050ad25a80648c6356c10424fc00120000000a000a00053582c1b0acea8b09000880feff0000d1bd", 0x2e}], 0x1}, 0x0) [ 61.279044][ T8221] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.286667][ T8221] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.295022][ T8221] device bridge_slave_1 entered promiscuous mode [ 61.319527][ T8223] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.326610][ T8223] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.334925][ T8223] device bridge_slave_0 entered promiscuous mode [ 61.370377][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.377461][ T8223] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.386337][ T8223] device bridge_slave_1 entered promiscuous mode [ 61.395578][ T8221] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.434089][ T8221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.461689][ T8223] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.514808][ T8223] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.533162][ T8227] chnl_net:caif_netlink_parms(): no params data found [ 61.546509][ T8221] team0: Port device team_slave_0 added 00:25:08 executing program 4: r0 = perf_event_open(&(0x7f000025c000)={0x400000001, 0x70, 0x2005, 0x0, 0x0, 0x0, 0x0, 0x1, 0x8090, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x11, r1, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r1) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r2, &(0x7f0000000040)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r2, 0x0, 0x10b, 0x200007fe, &(0x7f0000000100)={0x2, 0x10004e23, @dev={0xac, 0x14, 0x14, 0xa}}, 0x10) sendto$inet(r2, &(0x7f0000d7cfcb), 0xffffffffffffffef, 0x0, 0x0, 0x0) [ 61.577687][ T8221] team0: Port device team_slave_1 added [ 61.587116][ T8223] team0: Port device team_slave_0 added [ 61.648984][ T8223] team0: Port device team_slave_1 added [ 61.663769][ T8230] IPVS: ftp: loaded support on port[0] = 21 [ 61.691538][ T8227] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.705923][ T8227] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.714211][ T8227] device bridge_slave_0 entered promiscuous mode [ 61.781496][ T8221] device hsr_slave_0 entered promiscuous mode 00:25:09 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) mq_notify(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x3}) [ 61.838727][ T8221] device hsr_slave_1 entered promiscuous mode [ 61.897246][ T8227] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.908518][ T8227] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.921238][ T8227] device bridge_slave_1 entered promiscuous mode [ 61.990661][ T8223] device hsr_slave_0 entered promiscuous mode [ 62.028753][ T8223] device hsr_slave_1 entered promiscuous mode [ 62.068720][ T8223] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.092361][ T8227] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.107646][ T8232] IPVS: ftp: loaded support on port[0] = 21 [ 62.127564][ T8227] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.138443][ T8221] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.160627][ T8221] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.201547][ T8221] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.271480][ T8221] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.334114][ T8227] team0: Port device team_slave_0 added [ 62.343952][ T8227] team0: Port device team_slave_1 added [ 62.374326][ T8234] IPVS: ftp: loaded support on port[0] = 21 [ 62.431904][ T8227] device hsr_slave_0 entered promiscuous mode [ 62.490143][ T8227] device hsr_slave_1 entered promiscuous mode [ 62.528507][ T8227] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.557148][ T8223] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.591454][ T8223] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.657083][ T8223] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.701509][ T8223] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.807925][ T8227] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.862274][ T8227] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.951628][ T8227] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.991766][ T8227] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.074225][ T8230] chnl_net:caif_netlink_parms(): no params data found [ 63.144447][ T8234] chnl_net:caif_netlink_parms(): no params data found [ 63.180983][ T8221] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.222424][ T8232] chnl_net:caif_netlink_parms(): no params data found [ 63.255476][ T8230] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.263052][ T8230] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.271060][ T8230] device bridge_slave_0 entered promiscuous mode [ 63.278818][ T8230] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.285868][ T8230] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.293559][ T8230] device bridge_slave_1 entered promiscuous mode [ 63.321751][ T8232] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.329771][ T8232] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.337384][ T8232] device bridge_slave_0 entered promiscuous mode [ 63.347957][ T8232] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.355429][ T8232] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.363408][ T8232] device bridge_slave_1 entered promiscuous mode [ 63.371034][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.380263][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.399631][ T8230] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.409307][ T8234] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.416355][ T8234] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.427647][ T8234] device bridge_slave_0 entered promiscuous mode [ 63.443073][ T8223] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.452685][ T8230] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.463573][ T8221] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.477821][ T8234] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.488470][ T8234] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.496085][ T8234] device bridge_slave_1 entered promiscuous mode [ 63.511945][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.522044][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.530777][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.538029][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.547755][ T8232] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.601573][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.609798][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.618603][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.626930][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.634030][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.642531][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.651235][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.661020][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.669654][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.677955][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.686493][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.694778][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.702920][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.711873][ T8232] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.726387][ T8230] team0: Port device team_slave_0 added [ 63.736004][ T8223] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.748059][ T8234] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.758706][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.775367][ T8230] team0: Port device team_slave_1 added [ 63.783688][ T8234] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.805612][ T8227] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.821275][ T8232] team0: Port device team_slave_0 added [ 63.832669][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.841407][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.851238][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.860038][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.868362][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.875406][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.883956][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.940492][ T8230] device hsr_slave_0 entered promiscuous mode [ 63.988723][ T8230] device hsr_slave_1 entered promiscuous mode [ 64.028522][ T8230] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.037019][ T8232] team0: Port device team_slave_1 added [ 64.044639][ T8234] team0: Port device team_slave_0 added [ 64.053650][ T8221] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.065330][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.077347][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.090001][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.098514][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.105755][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.113987][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.122835][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.131772][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.144932][ T8227] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.159924][ T8234] team0: Port device team_slave_1 added [ 64.182372][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.190292][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.198061][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.207393][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.215812][ T3069] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.222997][ T3069] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.231657][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.240190][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.248943][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.257285][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.265821][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.274134][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.281652][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.289216][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.297416][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.371513][ T8232] device hsr_slave_0 entered promiscuous mode [ 64.428875][ T8232] device hsr_slave_1 entered promiscuous mode [ 64.478563][ T8232] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.489793][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.498104][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.509063][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.517495][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.581166][ T8234] device hsr_slave_0 entered promiscuous mode [ 64.640254][ T8234] device hsr_slave_1 entered promiscuous mode [ 64.698684][ T8234] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.717589][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.727164][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.735804][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.743073][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.752183][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.776637][ T8230] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.841865][ T8221] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.878137][ T8230] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.900800][ T8230] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.953841][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.962677][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.990536][ T8230] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.042317][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.059669][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.068218][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.081565][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.091733][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.105262][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.118693][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.137964][ T8234] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 170.018316][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.026089][ C0] rcu: 0-...!: (10499 ticks this GP) idle=5b2/1/0x4000000000000002 softirq=11308/11314 fqs=39 [ 170.037097][ C0] (t=10500 jiffies g=7029 q=125) [ 170.042473][ C0] rcu: rcu_preempt kthread starved for 10416 jiffies! g7029 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.054698][ C0] rcu: RCU grace-period kthread stack dump: [ 170.060920][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 170.069084][ C0] Call Trace: [ 170.072624][ C0] __schedule+0x9a0/0xcc0 [ 170.077037][ C0] schedule+0x181/0x210 [ 170.081182][ C0] schedule_timeout+0x14f/0x240 [ 170.086134][ C0] ? run_local_timers+0x120/0x120 [ 170.091761][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.096784][ C0] kthread+0x332/0x350 [ 170.100839][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 170.106120][ C0] ? kthread_blkcg+0xe0/0xe0 [ 170.110821][ C0] ret_from_fork+0x24/0x30 [ 170.115266][ C0] NMI backtrace for cpu 0 [ 170.119683][ C0] CPU: 0 PID: 8244 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 170.128096][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.138238][ C0] Call Trace: [ 170.141612][ C0] [ 170.144463][ C0] dump_stack+0x1fb/0x318 [ 170.148786][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.153626][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.160029][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.166230][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.172199][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.178779][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.183970][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.189157][ C0] ? trace_hardirqs_off+0x74/0x80 [ 170.194171][ C0] update_process_times+0x12d/0x180 [ 170.199366][ C0] tick_sched_timer+0x263/0x420 [ 170.204292][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.209824][ C0] __hrtimer_run_queues+0x403/0x840 [ 170.215037][ C0] hrtimer_interrupt+0x38c/0xda0 [ 170.219976][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.225275][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.230808][ C0] apic_timer_interrupt+0xf/0x20 [ 170.235727][ C0] [ 170.238661][ C0] RIP: 0010:mod_memcg_page_state+0x123/0x190 [ 170.244627][ C0] Code: e8 f2 9e 69 00 48 83 3d 12 22 c2 07 00 74 70 e8 e3 27 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 e8 f4 c2 33 00 eb 43 e8 cd 27 2e 00 3c e8 86 c0 33 00 48 c7 c0 28 96 0a 89 48 c1 e8 03 42 80 3c 20 [ 170.264215][ C0] RSP: 0018:ffffc900025b74f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 170.272613][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: 0000000000040000 [ 170.280583][ C0] RDX: ffffc90001e99000 RSI: 000000000003ffff RDI: 0000000000040000 [ 170.288541][ C0] RBP: ffffc900025b7518 R08: 000000000003a768 R09: ffffed101489becf [ 170.296596][ C0] R10: ffffed101489becf R11: 0000000000000000 R12: dffffc0000000000 [ 170.304555][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a44df668 [ 170.312622][ C0] ? mod_memcg_page_state+0x123/0x190 [ 170.318020][ C0] ? mod_memcg_page_state+0x123/0x190 [ 170.323409][ C0] free_thread_stack+0x168/0x590 [ 170.328601][ C0] put_task_stack+0xa3/0x130 [ 170.333212][ C0] finish_task_switch+0x3f1/0x550 [ 170.338261][ C0] __schedule+0x9a8/0xcc0 [ 170.342954][ C0] preempt_schedule_irq+0xc1/0x140 [ 170.348056][ C0] retint_kernel+0x1b/0x2b [ 170.352480][ C0] RIP: 0010:klist_next+0x59/0x340 [ 170.357840][ C0] Code: 3c 18 00 74 08 4c 89 ef e8 c4 1c cb f9 4d 8b 7d 00 49 8d 5f 50 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 48 89 df e8 9d 1c cb f9 4c 8b 23 4d 8d 75 08 4c 89 f0 48 c1 [ 170.377802][ C0] RSP: 0018:ffffc900025b7778 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02 [ 170.386291][ C0] RAX: 1ffff110153fe030 RBX: ffff8880a9ff0180 RCX: dffffc0000000000 [ 170.394337][ C0] RDX: ffffc90001e99000 RSI: 000000000000633b RDI: 000000000000633c [ 170.402319][ C0] RBP: ffffc900025b77d8 R08: ffffffff8469041f R09: fffffbfff13c8d2d [ 170.410296][ C0] R10: fffffbfff13c8d2d R11: 0000000000000000 R12: ffffc900025b7808 [ 170.418256][ C0] R13: ffffc900025b77f8 R14: ffff8880a3637000 R15: ffff8880a9ff0130 [ 170.426415][ C0] ? class_find_device+0x20f/0x270 [ 170.431546][ C0] ? klist_next+0x23/0x340 [ 170.435964][ C0] class_find_device+0x14e/0x270 [ 170.441119][ C0] ? device_match_fwnode+0x30/0x30 [ 170.446237][ C0] alloc_tty_struct+0x5e6/0x730 [ 170.451091][ C0] pty_common_install+0x189/0x690 [ 170.456107][ C0] pty_unix98_install+0x1f/0x30 [ 170.460953][ C0] tty_init_dev+0xd0/0x500 [ 170.465356][ C0] ptmx_open+0xda/0x2d0 [ 170.469677][ C0] chrdev_open+0x509/0x590 [ 170.474089][ C0] ? security_file_open+0x236/0x2f0 [ 170.479290][ C0] ? cd_forget+0x160/0x160 [ 170.484565][ C0] do_dentry_open+0x740/0x10c0 [ 170.489345][ C0] vfs_open+0x73/0x80 [ 170.493316][ C0] path_openat+0x1397/0x44a0 [ 170.497905][ C0] ? __kasan_kmalloc+0x178/0x1b0 [ 170.502867][ C0] do_filp_open+0x192/0x3d0 [ 170.507391][ C0] do_sys_open+0x29f/0x560 [ 170.511799][ C0] __x64_sys_openat+0xa2/0xb0 [ 170.516465][ C0] do_syscall_64+0xf7/0x1c0 [ 170.520955][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.526834][ C0] RIP: 0033:0x45a679 [ 170.530718][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 170.550312][ C0] RSP: 002b:00007f30478cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 170.558724][ C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a679 [ 170.566875][ C0] RDX: 0008000000000006 RSI: 0000000020000180 RDI: ffffffffffffff9c [ 170.575112][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 170.583073][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f30478cc6d4 [ 170.591031][ C0] R13: 00000000004c7edc R14: 00000000004df0e0 R15: 00000000ffffffff